Badass Heavy Duty Brass PV2 Proportioning Valve For Disc Drum Brake Swap Replacement 172-1353 Perfect For Chevy Buick Classic Cars Trucks Dual Reservoir Master Cylinder Rig Upgrade Bracket Kit
✔️ 1/2-inch fittings sealed flow control disc drum swap parts
This single brass PV2 proportioning valve regulates hydraulic pressure for disc and drum brake setups on vintage Chevrolet, Buick, and Ford rigs equipped with dual reservoir master cylinders. It acts as a reliable metering center that balances fluid distribution under heavy loads. Drivers running lifted frames or upgraded drum to rotor conversions lean on this component to keep pedal feel firm and stop distances predictable across rough terrain.
✅ Precision machined brass body resists high pressure corrosion✅ Standard 1/2 inch and 7/16 inch pipe threading seals leak free
✅ Optimized spool design prevents rear wheel lockup during hard stops
✅ Direct bolt on mount replaces factory equalizer part 172-1353
💡 How does a pv2 brake proportioning valve improve stopping power when swapping drum brakes to rotors on classic trucks
A properly tuned unit takes excess hydraulic push off the rear circuits so your front pads bite harder without dragging the back wheels loose
- Sync the internal spring preload to match modern ceramic pad friction ratings
- Mount the solid alloy housing right over the OEM bracket hole pattern
- Push fresh DOT three fluid through the main chamber till air bubbles vanish
- Tighten the adapter nuts with a handy line wrench before cruising down town